.page-of-intro .banner li{
  height: 550px;
}

.page-of-intro .banner .text{
  padding-top: 220px;
}

.page-of-intro .banner .text .title{
  font-size:48px
}

.page-of-intro .biz{
  display: table;
  width: 100%;
  height: 342px;
  padding-top: 50px;
  padding-bottom: 58px;
  background-color: #000;
}

.page-of-intro .biz .text,
.page-of-intro .biz .diagram{
  display: table-cell;
  vertical-align: top;
  width: 50%;
}

.page-of-intro .biz .text{
  background-color: #232323;
}

.page-of-intro .biz .text .box{
  float: right;
  padding-top:75px;
  width: 500px;
}

.page-of-intro .biz h1{
  font-size:18px;
  font-weight: bold;
}

.page-of-intro .biz p {
  margin-right: 100px;
  margin-top: 10px;
  font-size: 12px;
  color: #646464;
}

.page-of-intro .biz .btn{
  width: 290px;
  margin-top: 60px;
}

.page-of-intro .products li{
  float: left;
  width: 50%;
  height: 375px;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  cursor: default;
}

.page-of-intro .products .text{
  //display: none;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,.5);
}

//.page-of-intro .products li:hover .text{
//  display: block;
//}

.page-of-intro .products .box{
  width: 500px;
  float: right;
  padding-top: 90px;
  padding-right: 150px;
  box-sizing: border-box;
}

.page-of-intro .products li:nth-child(even) .box{
  float: left;
  padding-left: 100px;
  padding-right: 50px;
}

.page-of-intro .products h1{
  font-size:18px;
  font-weight: bold;
}

.page-of-intro .products p {
  margin-top: 10px;
  font-size: 12px;
}

.page-of-intro .products a{
  display: block;
  margin-top: 40px;
  font-size: 18px;
  font-weight: 100;
}

.page-of-intro .products a .icons{
  margin-left:15px;
}

.page-of-intro  .feature{
  height:750px;
  padding-top: 80px;
  box-sizing: border-box;
  background-color: #232323;
}

.page-of-intro  .feature .header{
  padding-bottom: 50px;
  text-align: center;
  font-weight:100;
}

.page-of-intro  .feature .header h1{
  font-size: 48px;
}

//.page-of-intro .feature .body{
//  display: table;
//}

.page-of-intro .feature .diagram,
.page-of-intro .feature .text{
  //display: table-cell;
  //vertical-align: top;
  float: left;
}

.page-of-intro .feature .diagram{
  width: 618px;
}

.page-of-intro .feature .item{
  padding-left: 60px;
  height: 180px;
  overflow: hidden;
}

.page-of-intro .feature .item h1{
  font-size: 18px;
  font-weight: bold;
}

.page-of-intro .feature .item p{
  margin-top: 10px;
  font-size: 12px;
  color: #c8c8c8;
  font-weight: 100;
}

.page-of-intro .feature .nav{
  padding-left: 60px;
  overflow: hidden;
}

.page-of-intro .feature .nav li{
  color: #878787;
  line-height: 32px;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-of-intro .feature .nav li:before{
  content: "";
  display: inline-block;
  width: 30px;
  height: 8px;
  margin-right: 30px;
  background-color: #878787;
  border-radius: 4px;
  vertical-align: baseline;
}

.page-of-intro .feature .nav li.active{
  color: #c8c8c8;
}
.page-of-intro .feature .nav li.active:before{
  background-color: #fff;
}

@media (max-width:700px) {
  .page-of-intro .banner{
    .list li{
      height: 400px;
    }
  }

  .page-of-intro .biz{
    display: flex;
    flex-direction: column;
    width: auto;
    height: auto;
    padding: 25px;
    background-color: #212121;
  }

  .page-of-intro .biz .text,
  .page-of-intro .biz .diagram{
    display: block;
    width: auto;
    background-color: transparent;
  }

  .page-of-intro .biz .diagram{
    order: -1;
  }

  .page-of-intro .biz .diagram  img{
    width: 100%;
  }

  .page-of-intro .biz .text{
    margin-top: 15px;
  }

  .page-of-intro .biz .text .box{
    float: none;
    width: auto;
    padding-top:0;
  }

  .page-of-intro .biz h1{
    font-size:14px;
  }

  .page-of-intro .biz p {
    margin-right: 0;
    margin-top: 0;
    color: #969696;
  }

  .page-of-intro .biz .btn{
    display: none;
    width: 180px;
    margin-top: 20px;
  }

  .page-of-intro .products li{
    float: none;
    width: auto;
    height: 180px;
    background-size: cover;
  }

  .page-of-intro .products .box{
    width: auto;
    float: none !important;
    padding: 25px 25px 0 !important;
  }

  .page-of-intro .products h1{
    font-size:14px;
    font-weight: bold;
  }

  .page-of-intro .products p {
    margin-top: 5px;
    line-height: 1.2;
    max-height: 12px * 4.8;
    overflow: hidden;
  }

  .page-of-intro .products a{
    margin-top: 15px;
    font-size: 16px;
    font-weight: 400;
  }

  .page-of-intro .products a .icons{
    margin-left: 5px;
    -webkit-transform: scale(0.7);
    -moz-transform: scale(0.7);
    -ms-transform: scale(0.7);
    -o-transform: scale(0.7);
    transform: scale(0.7);
  }

  .page-of-intro  .feature{
    height:auto;
    padding: 0 25px;
  }

  .page-of-intro  .feature .header{
    display: none;
  }

  .page-of-intro .feature .body{
    display: flex;
    flex-direction: column;
  }

  .page-of-intro .feature .diagram {
    float: none;
    width: auto;
  }

  .page-of-intro .feature .diagram img{
    width: 100%;
  }

  .page-of-intro .feature .item{
    height: auto;
    margin: 30px auto 40px;
    padding: 0;
    overflow: initial;
  }

  .page-of-intro .feature .item h1{
    font-size: 16px;
    font-weight: 400;
  }

  .page-of-intro .feature .item p{
    margin-top: 10px;
    color: #c8c8c8;
    font-weight: 400;
    line-height: 1.2;
  }

  .page-of-intro .feature .nav{
    margin: 15px 0;
    padding: 0;
    overflow: initial;
    order: -1;
  }

  .page-of-intro .feature .nav li{
    line-height: 20px;
  }

  .page-of-intro .feature .nav li:before{
    width: 14px;
    height: 3px;
    margin-right: 10px;
    border-radius: 2px;
    vertical-align: middle;
  }
}